UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4zRPmp2NgUXyVMqOClifuUCfniLsrkIIkd85TPuFbw0=' 
WHERE 
  key_id = 'b12f4de6622c2f4b826a8e19fe8dfb9d68113f6403d9e1c27c44db1cf648e3fb' 
  AND (
    token = '4zRPmp2NgUXyVMqOClifuUCfniLsrkIIkd85TPuFbw0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )